Ionic equilibria of pollutants

Table 10.2 gives the electrode reactions and standard electrochemical potentials (i.e., the half-cell Vs SHE, all ion concentrations = 1 M, all gases at 1 atm) of five common water-impurity species and three dissolved species that influence the stability of the impurities.

Example: Compare the effectiveness of nitrate ion for removing ethanol from water to that of oxygen.

Nitrate ion: The overall reaction is:

This reaction is the following combination of half-cell reactions A and 1:

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